Counting Atoms Grade

What is an ELEMENT?

• When you go to grade school

• A bunch of DIFFERENT kinds of atoms

• A single atom or group of atoms of the SAME kind

A SUBSCRIPT IS...

• Number to the left of the element symbol

• Number to the right of the element symbol

• the scientific name for a group of atoms

• A substance made of only one kind of atom

Tags

NGSS.MS-PS1-1

A Coefficient tells you ....

• how many of that atom there is

• the atomic mass

• how many of that molecule there are

• where the element is found on the periodic table

How many ELEMENTS are in C₆H₁₂O₆?

• 1

• 12

• 3

• 6

Tags

NGSS.MS-PS1-1

How many ATOMS are there TOTAL in:

H₂SO₄

• 6

• 5

• 7

• 3

How many Hydrogen are in 4H₂O?

• 6
• 8
• 2
• 4

Tags

NGSS.MS-PS1-1

How many Magnesium atoms are in 10MgCl₂?

• 10

• 5

• 20

Tags

NGSS.MS-PS1-1

How many atoms are there TOTAL in H₂SO₄ ?

• 6

• 5

• 7

• 3

Tags

NGSS.MS-PS1-1

What is C₂H₈O ?

• Element

• Letters

• Numbers

• Compound

Tags

NGSS.MS-PS1-1

How many Hydrogen atoms in 3(NH₄)₂CrO₄?

• 4

• 2

• 8

• 24

Tags

NGSS.MS-PS1-1